Recognised as Colour

#FFF63F

#FFF63F
Yellow
Light
Nearest: Yellow

#FFF63F is a yellow with RGB values 255, 246, 63 and HSL 57°, 100%, 62%. It is a light colour, so black text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFF63F#FFF63F

HEX#FFF63F

RGBrgb(255, 246, 63)

RGB (0–1)1, 0.9647, 0.2471

RGB percentages100%, 96.5%, 24.7%

HSLhsl(57.2, 100%, 62.4%)

HSV / HSBhsv(57.2, 75.3%, 100%)

CMYK0%, 3.5%, 75.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,774,719

CSS custom property--colour: #FFF63F;

Brightness & contrast

Relative luminance0.8753WCAG 2.x, 0 is black and 1 is white

Perceived brightness235.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.51:1

Contrast with white1.13:1WCAG normal text: Fail

Contrast with black18.51:1WCAG normal text: AAA

Greyscale equivalent#EBEBEB

Inverted#0009C0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFED0Dno red cones; affects about 1% of men; ΔE 8.8 from the original

Deuteranopia#FFF44Eno green cones; the most common form, about 1% of men; ΔE 5.6 from the original

Tritanopia#FFE5D4no blue cones; rare, and affects men and women equally; ΔE 74.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.13:1WCAG large text: Fail

Contrast with black, large text18.51:1WCAG large text: AAA

Named colours

Yellow · ΔE 13.6 Gold · ΔE 17 Yellow green · ΔE 32.7 Green yellow · ΔE 36.5 Goldenrod · ΔE 37 Khaki · ΔE 38.2

Nearest named CSS colourYellow (#FFFF00)ΔE 13.55, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#3F48FF

Analogous#FF963F, #A8FF3F

Triadic#3FFFF6, #F63FFF

Split complementary#3FA8FF, #963FFF

Tetradic#3FFF96, #3F48FF, #FF3FA8

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FFFDD8

Lighter +20%#FFFBA5

Lighter +10%#FFF872

Darker −10%#FFF40C

Darker −20%#D8CE00

Darker −30%#A59D00

Darker −40%#726D00

More saturated +25%#FFF63F

Less saturated −25%#E7E057

Channel breakdown

R255

G246

B63

Red255 (100%)

Green246 (96.5%)

Blue63 (24.7%)

Hue57.19°

Saturation (HSL)100%

Lightness62.35%

Dominant channelRed

Hex per channelR FF · G F6 · B 3F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF63F (chemical formula)

Formula
1,253.868 g/mol
66 atoms

FFF63F has a molar mass of 1,253.868 g/mol, made up of 66 atoms across 1 element: 66 × F.

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Molar mass

Molar mass1,253.868 g/mol

Total atoms per molecule66

Distinct elements1

Mass of one molecule2.0820968 × 10^-21 g

Molecules per gram4.8028507 × 10^20

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

F100%

Fluorine (F × 66)1,253.868 g/mol, 100%

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Elements in this formula

Fluorine

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